Bicycle Reference Manual

Barbara Gruehl Kipke writes in the Bicycle Reference Manual "...The bicycle is an intermediate technology solution to the transportation problems especially of the poor in developing countries. Unfortunately, the lower-income groups, who use the bicycle as an important means of transport, are overlooked in most transportation studies. In part this is due to a lack of information on how bicycle usage can be encouraged by transportation planners..."

photo courtesy askadavid.org